provides a logical link to a Mitsubishi Melsec PLC.
The Mitsubishi Melsec PLC Tag
provides a logical link to a Mitsubishi Melsec PLC.
The Mitsubishi Melsec PLC Tag supports the configuration properties of the PLC Device Tag with RTC, plus these properties:
| Property | Type | Version | Description |
|---|---|---|---|
| Channel | Reference | 1.1 | The communication channel to the PLC. Either a Mitsubishi Melsec Serial Channel or a Mitsubishi Melsec UDP Channel. |
| PLCType | USINT | 1.1 | The type of PLC. 0 = FX, 1 = A-Series, 2 = QnA Series, 3 = Q-Series. |
| StationNumber | USINT | 1.1 | The address of the PLC. |
| PCNumber | USINT | 1.1 | Identifies the controller connected to a CC-Link, Melsecnet/H, or Melsecnet/10 network. For direct connections use the value 255 (FFh). |
The Mitsubishi Melsec PLC Tag supports the tag commands of the >PLC Device Tag with RTC Tag plus these commands:
| Tag Command | Version | Description |
|---|---|---|
| DirectWriteWord | 2.3 | Directly writes one or more words to an address in the PLC. |
| DirectWriteBit | 2.3 | Directly writes a single bit to an address in the PLC. |
| Refresh | 3.15 | Requests an immediate refresh of all of the I/O Data Point Tags associated with the PLC. |
The Mitsubishi Melsec PLC Tag builds on the features of these tag types:
For properties common to all PLC Devices with clock synchronization.
Mitsubishi Melsec Serial Communication ChannelFor more information on Mitsubishi Melsec serial communications channels.
Mitsubishi Melsec UDP/IP Communication ChannelFor more information on Mitsubishi Melsec UDP/IP communications channels.
Mitsubishi Melsec register blocksFor more information on the Mitsubishi Melsec register block that can be associated with Mitsubishi Melsec PLC Tags.
Alarm HandlingTo learn about alarm management.
For the meaning of terms used in Fernhill SCADA.